ptp: Fix pass zero to ERR_PTR() in ptp_clock_register
Fix smatch warning: drivers/ptp/ptp_clock.c:298 ptp_clock_register() warn: passing zero to 'ERR_PTR' 'err' should be set while device_create_with_groups and pps_register_source fails Fixes: 85a66e55 ("ptp: create "pins" together with the rest of attributes") Signed-off-by: NYueHaibing <yuehaibing@huawei.com> Acked-by: NRichard Cochran <richardcochran@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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